1 /**************************************************************************
3 * Copyright 2008 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "util/u_memory.h"
30 #include "util/u_math.h"
31 #include "util/u_cpu_detect.h"
32 #include "util/format/u_format.h"
33 #include "util/u_screen.h"
34 #include "util/u_string.h"
35 #include "util/format/u_format_s3tc.h"
36 #include "pipe/p_defines.h"
37 #include "pipe/p_screen.h"
38 #include "draw/draw_context.h"
39 #include "gallivm/lp_bld_type.h"
40 #include "gallivm/lp_bld_nir.h"
42 #include "util/os_misc.h"
43 #include "util/os_time.h"
44 #include "lp_texture.h"
47 #include "lp_screen.h"
48 #include "lp_context.h"
50 #include "lp_public.h"
51 #include "lp_limits.h"
53 #include "lp_cs_tpool.h"
55 #include "state_tracker/sw_winsys.h"
62 static const struct debug_named_value lp_debug_flags
[] = {
63 { "pipe", DEBUG_PIPE
, NULL
},
64 { "tgsi", DEBUG_TGSI
, NULL
},
65 { "tex", DEBUG_TEX
, NULL
},
66 { "setup", DEBUG_SETUP
, NULL
},
67 { "rast", DEBUG_RAST
, NULL
},
68 { "query", DEBUG_QUERY
, NULL
},
69 { "screen", DEBUG_SCREEN
, NULL
},
70 { "counters", DEBUG_COUNTERS
, NULL
},
71 { "scene", DEBUG_SCENE
, NULL
},
72 { "fence", DEBUG_FENCE
, NULL
},
73 { "mem", DEBUG_MEM
, NULL
},
74 { "fs", DEBUG_FS
, NULL
},
75 { "cs", DEBUG_CS
, NULL
},
76 { "tgsi_ir", DEBUG_TGSI_IR
, NULL
},
77 { "cl", DEBUG_CL
, NULL
},
83 static const struct debug_named_value lp_perf_flags
[] = {
84 { "texmem", PERF_TEX_MEM
, NULL
},
85 { "no_mipmap", PERF_NO_MIPMAPS
, NULL
},
86 { "no_linear", PERF_NO_LINEAR
, NULL
},
87 { "no_mip_linear", PERF_NO_MIP_LINEAR
, NULL
},
88 { "no_tex", PERF_NO_TEX
, NULL
},
89 { "no_blend", PERF_NO_BLEND
, NULL
},
90 { "no_depth", PERF_NO_DEPTH
, NULL
},
91 { "no_alphatest", PERF_NO_ALPHATEST
, NULL
},
97 llvmpipe_get_vendor(struct pipe_screen
*screen
)
99 return "VMware, Inc.";
104 llvmpipe_get_name(struct pipe_screen
*screen
)
106 static char buf
[100];
107 snprintf(buf
, sizeof(buf
), "llvmpipe (LLVM " MESA_LLVM_VERSION_STRING
", %u bits)",
108 lp_native_vector_width
);
114 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
117 case PIPE_CAP_NPOT_TEXTURES
:
118 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
119 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
121 case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD
:
122 case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES
:
123 case PIPE_CAP_VERTEX_SHADER_SATURATE
:
125 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
127 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
128 return PIPE_MAX_SO_BUFFERS
;
129 case PIPE_CAP_ANISOTROPIC_FILTER
:
131 case PIPE_CAP_POINT_SPRITE
:
133 case PIPE_CAP_MAX_RENDER_TARGETS
:
134 return PIPE_MAX_COLOR_BUFS
;
135 case PIPE_CAP_OCCLUSION_QUERY
:
137 case PIPE_CAP_QUERY_TIME_ELAPSED
:
139 case PIPE_CAP_QUERY_TIMESTAMP
:
141 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
143 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
144 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE
:
146 case PIPE_CAP_TEXTURE_SWIZZLE
:
148 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
149 case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET
:
151 case PIPE_CAP_MAX_TEXTURE_2D_SIZE
:
152 return 1 << (LP_MAX_TEXTURE_2D_LEVELS
- 1);
153 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
154 return LP_MAX_TEXTURE_3D_LEVELS
;
155 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
156 return LP_MAX_TEXTURE_CUBE_LEVELS
;
157 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
158 return LP_MAX_TEXTURE_ARRAY_LAYERS
;
159 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
161 case PIPE_CAP_INDEP_BLEND_ENABLE
:
163 case PIPE_CAP_INDEP_BLEND_FUNC
:
165 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
166 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
167 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
169 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
170 case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE
:
172 case PIPE_CAP_PRIMITIVE_RESTART
:
174 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
176 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
178 case PIPE_CAP_TGSI_INSTANCEID
:
179 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
180 case PIPE_CAP_START_INSTANCE
:
182 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
184 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
186 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
187 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
189 /* this is a lie could support arbitrary large offsets */
190 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
191 case PIPE_CAP_MIN_TEXEL_OFFSET
:
193 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
194 case PIPE_CAP_MAX_TEXEL_OFFSET
:
196 case PIPE_CAP_CONDITIONAL_RENDER
:
198 case PIPE_CAP_TEXTURE_BARRIER
:
200 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
201 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
203 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
204 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
206 case PIPE_CAP_MAX_VERTEX_STREAMS
:
208 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
210 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
211 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
213 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
215 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
216 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
218 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
220 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY
:
222 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
224 case PIPE_CAP_COMPUTE
:
225 return GALLIVM_HAVE_CORO
;
226 case PIPE_CAP_USER_VERTEX_BUFFERS
:
228 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
229 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
230 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
232 case PIPE_CAP_TGSI_TEXCOORD
:
233 case PIPE_CAP_DRAW_INDIRECT
:
236 case PIPE_CAP_CUBE_MAP_ARRAY
:
238 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
240 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
242 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
244 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
246 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
248 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
250 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
252 case PIPE_CAP_MAX_VIEWPORTS
:
253 return PIPE_MAX_VIEWPORTS
;
254 case PIPE_CAP_ENDIANNESS
:
255 return PIPE_ENDIAN_NATIVE
;
256 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
258 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
260 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
262 case PIPE_CAP_TEXTURE_GATHER_SM5
:
263 case PIPE_CAP_SAMPLE_SHADING
:
264 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
266 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
268 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
270 case PIPE_CAP_TGSI_TEX_TXF_LZ
:
271 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
273 case PIPE_CAP_FAKE_SW_MSAA
:
275 case PIPE_CAP_TEXTURE_QUERY_LOD
:
276 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
277 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
278 case PIPE_CAP_DOUBLES
:
280 case PIPE_CAP_INT64_DIVMOD
:
281 case PIPE_CAP_QUERY_SO_OVERFLOW
:
282 case PIPE_CAP_TGSI_DIV
:
285 case PIPE_CAP_VENDOR_ID
:
287 case PIPE_CAP_DEVICE_ID
:
289 case PIPE_CAP_ACCELERATED
:
291 case PIPE_CAP_VIDEO_MEMORY
: {
292 /* XXX: Do we want to return the full amount fo system memory ? */
293 uint64_t system_memory
;
295 if (!os_get_total_physical_memory(&system_memory
))
298 if (sizeof(void *) == 4)
299 /* Cap to 2 GB on 32 bits system. We do this because llvmpipe does
300 * eat application memory, which is quite limited on 32 bits. App
301 * shouldn't expect too much available memory. */
302 system_memory
= MIN2(system_memory
, 2048 << 20);
304 return (int)(system_memory
>> 20);
308 case PIPE_CAP_CLIP_HALFZ
:
310 case PIPE_CAP_VERTEXID_NOBASE
:
312 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
313 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
314 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
316 case PIPE_CAP_CULL_DISTANCE
:
318 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
320 case PIPE_CAP_CLEAR_TEXTURE
:
322 case PIPE_CAP_MAX_VARYINGS
:
324 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
326 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
328 case PIPE_CAP_DRAW_PARAMETERS
:
330 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
331 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
332 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
333 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
334 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
335 case PIPE_CAP_TGSI_TXQS
:
336 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
337 case PIPE_CAP_SHAREABLE_SHADERS
:
338 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
339 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
340 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
341 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
342 case PIPE_CAP_INVALIDATE_BUFFER
:
343 case PIPE_CAP_GENERATE_MIPMAP
:
344 case PIPE_CAP_STRING_MARKER
:
345 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
346 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
347 case PIPE_CAP_QUERY_MEMORY_INFO
:
348 case PIPE_CAP_PCI_GROUP
:
349 case PIPE_CAP_PCI_BUS
:
350 case PIPE_CAP_PCI_DEVICE
:
351 case PIPE_CAP_PCI_FUNCTION
:
352 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
353 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
354 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
355 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
356 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
357 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
358 case PIPE_CAP_NATIVE_FENCE_FD
:
359 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
360 case PIPE_CAP_FBFETCH
:
361 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
362 case PIPE_CAP_TGSI_CLOCK
:
363 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE
:
364 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE
:
365 case PIPE_CAP_TGSI_BALLOT
:
366 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT
:
367 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
:
368 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION
:
369 case PIPE_CAP_POST_DEPTH_COVERAGE
:
370 case PIPE_CAP_BINDLESS_TEXTURE
:
371 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF
:
372 case PIPE_CAP_MEMOBJ
:
373 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS
:
374 case PIPE_CAP_TILE_RASTER_ORDER
:
375 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES
:
376 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS
:
377 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET
:
378 case PIPE_CAP_CONTEXT_PRIORITY_MASK
:
379 case PIPE_CAP_FENCE_SIGNAL
:
380 case PIPE_CAP_CONSTBUF0_FLAGS
:
381 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES
:
382 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES
:
383 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES
:
384 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES
:
385 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE
:
386 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS
:
387 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS
:
389 case PIPE_CAP_MAX_GS_INVOCATIONS
:
391 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE
:
392 return LP_MAX_TGSI_SHADER_BUFFER_SIZE
;
393 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
394 case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE
:
395 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
397 case PIPE_CAP_TGSI_VOTE
:
398 case PIPE_CAP_LOAD_CONSTBUF
:
399 case PIPE_CAP_PACKED_UNIFORMS
: {
400 struct llvmpipe_screen
*lscreen
= llvmpipe_screen(screen
);
401 return !lscreen
->use_tgsi
;
404 return u_pipe_screen_get_param_defaults(screen
, param
);
409 llvmpipe_get_shader_param(struct pipe_screen
*screen
,
410 enum pipe_shader_type shader
,
411 enum pipe_shader_cap param
)
415 case PIPE_SHADER_COMPUTE
:
416 if ((LP_DEBUG
& DEBUG_CL
) && param
== PIPE_SHADER_CAP_SUPPORTED_IRS
)
417 return (1 << PIPE_SHADER_IR_TGSI
) | (1 << PIPE_SHADER_IR_NIR
) | (1 << PIPE_SHADER_IR_NIR_SERIALIZED
);
418 case PIPE_SHADER_FRAGMENT
:
419 if (param
== PIPE_SHADER_CAP_PREFERRED_IR
) {
420 struct llvmpipe_screen
*lscreen
= llvmpipe_screen(screen
);
421 if (lscreen
->use_tgsi
)
422 return PIPE_SHADER_IR_TGSI
;
424 return PIPE_SHADER_IR_NIR
;
428 return gallivm_get_shader_param(param
);
430 case PIPE_SHADER_VERTEX
:
431 case PIPE_SHADER_GEOMETRY
:
432 if (param
== PIPE_SHADER_CAP_PREFERRED_IR
) {
433 struct llvmpipe_screen
*lscreen
= llvmpipe_screen(screen
);
434 if (lscreen
->use_tgsi
)
435 return PIPE_SHADER_IR_TGSI
;
437 return PIPE_SHADER_IR_NIR
;
441 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
442 /* At this time, the draw module and llvmpipe driver only
443 * support vertex shader texture lookups when LLVM is enabled in
446 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
447 return PIPE_MAX_SAMPLERS
;
450 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
451 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
452 return PIPE_MAX_SHADER_SAMPLER_VIEWS
;
456 return draw_get_shader_param(shader
, param
);
464 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
467 case PIPE_CAPF_MAX_LINE_WIDTH
:
469 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
470 return 255.0; /* arbitrary */
471 case PIPE_CAPF_MAX_POINT_WIDTH
:
473 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
474 return 255.0; /* arbitrary */
475 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
476 return 16.0; /* not actually signficant at this time */
477 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
478 return 16.0; /* arbitrary */
479 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE
:
481 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE
:
483 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY
:
486 /* should only get here on unhandled cases */
487 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
492 llvmpipe_get_compute_param(struct pipe_screen
*_screen
,
493 enum pipe_shader_ir ir_type
,
494 enum pipe_compute_cap param
,
498 case PIPE_COMPUTE_CAP_IR_TARGET
:
500 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE
:
502 uint64_t *grid_size
= ret
;
503 grid_size
[0] = 65535;
504 grid_size
[1] = 65535;
505 grid_size
[2] = 65535;
507 return 3 * sizeof(uint64_t) ;
508 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE
:
510 uint64_t *block_size
= ret
;
511 block_size
[0] = 1024;
512 block_size
[1] = 1024;
513 block_size
[2] = 1024;
515 return 3 * sizeof(uint64_t);
516 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK
:
518 uint64_t *max_threads_per_block
= ret
;
519 *max_threads_per_block
= 1024;
521 return sizeof(uint64_t);
522 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE
:
524 uint64_t *max_local_size
= ret
;
525 *max_local_size
= 32768;
527 return sizeof(uint64_t);
528 case PIPE_COMPUTE_CAP_GRID_DIMENSION
:
530 uint32_t *grid_dim
= ret
;
533 return sizeof(uint32_t);
534 case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE
:
536 uint64_t *max_global_size
= ret
;
537 *max_global_size
= (1ULL << 31);
539 return sizeof(uint64_t);
540 case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE
:
542 uint64_t *max_mem_alloc_size
= ret
;
543 *max_mem_alloc_size
= (1ULL << 31);
545 return sizeof(uint64_t);
546 case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE
:
548 uint64_t *max_private
= ret
;
549 *max_private
= (1UL << 31);
551 return sizeof(uint64_t);
552 case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE
:
554 uint64_t *max_input
= ret
;
557 return sizeof(uint64_t);
558 case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED
:
560 uint32_t *images
= ret
;
563 return sizeof(uint32_t);
564 case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK
:
566 case PIPE_COMPUTE_CAP_SUBGROUP_SIZE
:
568 uint32_t *subgroup_size
= ret
;
571 return sizeof(uint32_t);
572 case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS
:
574 uint32_t *max_compute_units
= ret
;
575 *max_compute_units
= 8;
577 return sizeof(uint32_t);
578 case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY
:
580 uint32_t *max_clock_freq
= ret
;
581 *max_clock_freq
= 300;
583 return sizeof(uint32_t);
584 case PIPE_COMPUTE_CAP_ADDRESS_BITS
:
586 uint32_t *address_bits
= ret
;
589 return sizeof(uint32_t);
594 static const struct nir_shader_compiler_options gallivm_nir_options
= {
596 .lower_flrp32
= true,
597 .lower_flrp64
= true,
599 .lower_bitfield_insert_to_bitfield_select
= true,
600 .lower_bitfield_extract
= true,
605 .lower_add_sat
= true,
606 .lower_pack_snorm_2x16
= true,
607 .lower_pack_snorm_4x8
= true,
608 .lower_pack_unorm_2x16
= true,
609 .lower_pack_unorm_4x8
= true,
610 .lower_unpack_snorm_2x16
= true,
611 .lower_unpack_snorm_4x8
= true,
612 .lower_unpack_unorm_2x16
= true,
613 .lower_unpack_unorm_4x8
= true,
614 .lower_extract_byte
= true,
615 .lower_extract_word
= true,
616 .lower_rotate
= true,
617 .optimize_sample_mask_in
= true,
618 .max_unroll_iterations
= 32,
619 .use_interpolated_input_intrinsics
= true,
620 .lower_to_scalar
= true,
624 llvmpipe_finalize_nir(struct pipe_screen
*screen
,
628 struct nir_shader
*nir
= (struct nir_shader
*)nirptr
;
629 lp_build_opt_nir(nir
);
632 static inline const void *
633 llvmpipe_get_compiler_options(struct pipe_screen
*screen
,
634 enum pipe_shader_ir ir
,
635 enum pipe_shader_type shader
)
637 assert(ir
== PIPE_SHADER_IR_NIR
);
638 return &gallivm_nir_options
;
642 * Query format support for creating a texture, drawing surface, etc.
643 * \param format the format to test
644 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
647 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
648 enum pipe_format format
,
649 enum pipe_texture_target target
,
650 unsigned sample_count
,
651 unsigned storage_sample_count
,
654 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
655 struct sw_winsys
*winsys
= screen
->winsys
;
656 const struct util_format_description
*format_desc
;
658 format_desc
= util_format_description(format
);
662 assert(target
== PIPE_BUFFER
||
663 target
== PIPE_TEXTURE_1D
||
664 target
== PIPE_TEXTURE_1D_ARRAY
||
665 target
== PIPE_TEXTURE_2D
||
666 target
== PIPE_TEXTURE_2D_ARRAY
||
667 target
== PIPE_TEXTURE_RECT
||
668 target
== PIPE_TEXTURE_3D
||
669 target
== PIPE_TEXTURE_CUBE
||
670 target
== PIPE_TEXTURE_CUBE_ARRAY
);
672 if (sample_count
> 1)
675 if (MAX2(1, sample_count
) != MAX2(1, storage_sample_count
))
678 if (bind
& PIPE_BIND_RENDER_TARGET
) {
679 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
680 /* this is a lie actually other formats COULD exist where we would fail */
681 if (format_desc
->nr_channels
< 3)
684 else if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
687 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
&&
688 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
691 assert(format_desc
->block
.width
== 1);
692 assert(format_desc
->block
.height
== 1);
694 if (format_desc
->is_mixed
)
697 if (!format_desc
->is_array
&& !format_desc
->is_bitmask
&&
698 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
702 if ((bind
& (PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
)) &&
703 ((bind
& PIPE_BIND_DISPLAY_TARGET
) == 0)) {
704 /* Disable all 3-channel formats, where channel size != 32 bits.
705 * In some cases we run into crashes (in generate_unswizzled_blend()),
706 * for 3-channel RGB16 variants, there was an apparent LLVM bug.
707 * In any case, disabling the shallower 3-channel formats avoids a
708 * number of issues with GL_ARB_copy_image support.
710 if (format_desc
->is_array
&&
711 format_desc
->nr_channels
== 3 &&
712 format_desc
->block
.bits
!= 96) {
717 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
718 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
722 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
723 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
726 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
729 /* TODO: Support stencil-only formats */
730 if (format_desc
->swizzle
[0] == PIPE_SWIZZLE_NONE
) {
735 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ASTC
||
736 format_desc
->layout
== UTIL_FORMAT_LAYOUT_ATC
||
737 format_desc
->layout
== UTIL_FORMAT_LAYOUT_FXT1
) {
738 /* Software decoding is not hooked up. */
742 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ETC
&&
743 format
!= PIPE_FORMAT_ETC1_RGB8
)
747 * Everything can be supported by u_format
748 * (those without fetch_rgba_float might be not but shouldn't hit that)
758 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
759 struct pipe_resource
*resource
,
760 unsigned level
, unsigned layer
,
761 void *context_private
,
762 struct pipe_box
*sub_box
)
764 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
765 struct sw_winsys
*winsys
= screen
->winsys
;
766 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
770 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
, sub_box
);
774 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
776 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
777 struct sw_winsys
*winsys
= screen
->winsys
;
779 if (screen
->cs_tpool
)
780 lp_cs_tpool_destroy(screen
->cs_tpool
);
783 lp_rast_destroy(screen
->rast
);
785 lp_jit_screen_cleanup(screen
);
788 winsys
->destroy(winsys
);
790 glsl_type_singleton_decref();
792 mtx_destroy(&screen
->rast_mutex
);
793 mtx_destroy(&screen
->cs_mutex
);
801 * Fence reference counting.
804 llvmpipe_fence_reference(struct pipe_screen
*screen
,
805 struct pipe_fence_handle
**ptr
,
806 struct pipe_fence_handle
*fence
)
808 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
809 struct lp_fence
*f
= (struct lp_fence
*) fence
;
811 lp_fence_reference(old
, f
);
816 * Wait for the fence to finish.
819 llvmpipe_fence_finish(struct pipe_screen
*screen
,
820 struct pipe_context
*ctx
,
821 struct pipe_fence_handle
*fence_handle
,
824 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
827 return lp_fence_signalled(f
);
829 if (!lp_fence_signalled(f
)) {
830 if (timeout
!= PIPE_TIMEOUT_INFINITE
)
831 return lp_fence_timedwait(f
, timeout
);
839 llvmpipe_get_timestamp(struct pipe_screen
*_screen
)
841 return os_time_get_nano();
845 * Create a new pipe_screen object
846 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
849 llvmpipe_create_screen(struct sw_winsys
*winsys
)
851 struct llvmpipe_screen
*screen
;
855 glsl_type_singleton_init_or_ref();
858 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
861 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
863 screen
= CALLOC_STRUCT(llvmpipe_screen
);
867 if (!lp_jit_screen_init(screen
)) {
872 screen
->winsys
= winsys
;
874 screen
->base
.destroy
= llvmpipe_destroy_screen
;
876 screen
->base
.get_name
= llvmpipe_get_name
;
877 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
878 screen
->base
.get_device_vendor
= llvmpipe_get_vendor
; // TODO should be the CPU vendor
879 screen
->base
.get_param
= llvmpipe_get_param
;
880 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
881 screen
->base
.get_compute_param
= llvmpipe_get_compute_param
;
882 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
883 screen
->base
.get_compiler_options
= llvmpipe_get_compiler_options
;
884 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
886 screen
->base
.context_create
= llvmpipe_create_context
;
887 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
888 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
889 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
891 screen
->base
.get_timestamp
= llvmpipe_get_timestamp
;
893 screen
->base
.finalize_nir
= llvmpipe_finalize_nir
;
894 llvmpipe_init_screen_resource_funcs(&screen
->base
);
896 screen
->use_tgsi
= (LP_DEBUG
& DEBUG_TGSI_IR
);
897 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
898 #ifdef EMBEDDED_DEVICE
899 screen
->num_threads
= 0;
901 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
902 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
904 screen
->rast
= lp_rast_create(screen
->num_threads
);
906 lp_jit_screen_cleanup(screen
);
910 (void) mtx_init(&screen
->rast_mutex
, mtx_plain
);
912 screen
->cs_tpool
= lp_cs_tpool_create(screen
->num_threads
);
913 if (!screen
->cs_tpool
) {
914 lp_rast_destroy(screen
->rast
);
915 lp_jit_screen_cleanup(screen
);
919 (void) mtx_init(&screen
->cs_mutex
, mtx_plain
);
921 return &screen
->base
;